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STOCKHOLDERS' DEFICIT - OPTIONS GRANTED OUTSIDE CINEDIGM'S EQUITY INCENTIVE PLAN (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Oct. 31, 2013 employee $ / shares shares | Dec. 31, 2010 $ / shares shares | Sep. 30, 2016 shares | Sep. 30, 2017 shares | Sep. 30, 2016 shares
Class of Stock [Line Items] |  |  |  |  |
Shares under option, granted (shares) |  |  | 0 | 0 | 0
Class A common stock | Chief Executive Officer |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Options exercise price range, lower (in dollars per share) | $ / shares |  | $ 15.0 |  |  |
Options exercise price range, upper (in dollars per share) | $ / shares |  | $ 50.0 |  |  |
Class A common stock | Chief Executive Officer | Stock option |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Number of shares authorized (shares) |  | 450,000 |  |  |
Gaiam Americas, Inc. and Gaiam, Inc. (GVE) |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Number of employees joining company following acquisition | employee | 10 |  |  |  |
Shares under option, granted (shares) | 62,000 |  |  |  |
Weighted average exercise price per share, granted (in dollars per share) | $ / shares | $ 17.50 |  |  |  |
Options nonvested (shares) |  |  |  | 31,875 |
Gaiam Americas, Inc. and Gaiam, Inc. (GVE) | Stock option |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Award vesting rights percentage | 25.00% |  |  |  |
Award vesting period | 4 years |  |  |  |
Aware expiration period | 10 years |  |  |  |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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